Cracking Snapchat's Mobile Developer Interview: Tackling Fibonacci Trees & System Design

snapchat | Mobile | Interview Experience

Interview Date: Not specified
Result: Not specified
Difficulty: Not specified

Interview Process

I had the onsite interview at Snapchat for an iOS developer position. The interview was divided into the following segments:

  1. Technical Round: The first round was a coding interview, where I was asked to solve problems related to data structures and algorithms. The focus was on efficient solutions and coding best practices.

  2. System Design: In the next round, I was asked to design an iOS application. They wanted to see my approach to architecture, scalability, and user experience. This was a crucial part of the interview as it demonstrated my understanding of mobile development.

  3. Behavioral Round: Lastly, there was a behavioral interview where I discussed my past experiences, challenges faced in projects, and how I work in teams. They were keen to understand my fit for the company culture.

Overall, the interview lasted about 3 hours, and I felt that the interviewers were friendly and open to questions throughout the process. I am currently waiting for their feedback to see if I’ll move forward.

Technical Questions

  1. Fibonacci Tree Path Calculation Using Preorder Numbering (Tree, Recursion)
  2. Tree Distance Sum Problem (Tree, Dynamic Programming)

Tips & Insights

Good luck to everyone preparing for their interviews!